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What Is Interference in Ice Hockey?

What is interference, and how do officials determine when a player illegally impedes an opponent?

Editor: Coach Mark • Updated: February 21, 2026

Short Answer

Interference occurs when a player obstructs or impedes an opponent who does not have possession of the puck.

Full Explanation

Players are allowed to body check or make contact only with the opponent who controls the puck.

If a player blocks, holds or prevents movement of an opponent without the puck, interference may be called.

Common examples include setting illegal picks, preventing access to loose pucks or obstructing skating lanes.

The standard penalty is a two minute minor.

Why Interference Matters

The rule protects puck possession integrity and ensures physical contact remains directly related to the play.

Key Takeaways

• Contact allowed only on puck carrier.
• Illegal obstruction results in penalty.
• Commonly called on off puck contact.
• Typically a two minute minor.